Managing Databases with Oracle
Which statement about sequences is not true?

A sequence is an object that generates a sequential series of unique numbers.
NextVal and CurrVal are both sequence methods.
Sequences guarantee valid surrogate key values.
Sequences are most often used to provide values for surrogate keys.

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Managing Databases with Oracle
Which of the following is not true of SQL views?

The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.
Oracle views cannot use the ORDER BY clause in view definitions.
Oracle views can by queried.
Oracle views are created using the standard SQL-92 CREATE VIEW command.

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